A.W.Faber-Castell, Stein bei Nuernberg / Germany     (1973)
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SCALES of the FABER-CASTELL CIRCULAR SLIDE RULE  Model 8/10
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K       X3
A       X2
L       lgX
D       X                                     outer circles
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C       X                                     inner circles
[CI]    [1/X]                             [ inverse / RED ]
B       X2
T1      tan(0.1X) ; [cot(0.1X)]
T2      tan(X) ; [cot(X)]
S       sin(0.1X) ; [cos(0.1X)]
ST      arc(0.01X)

REMARKS:
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The Scales C and D of 8.5 cm ( 3 3/8" ) diameter have the
length of 27 cm ( >10" )  On its BACK-SIDE are conversion
tables and instructions for Mult./Div. usage.

The SlideRule came in a circular leather case (w.zipper)
with an (8 p.) instruction booklet.  Production Code = ???

                   Historical Remarks ...
impressum:
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© C.HAMANN   http://public.BHT-Berlin.de/hamann    12/23/06